Castle of Shikigami 2 is a bullet-hell shooting game that first appeared in arcades in 2003 and was later ported to home video game consoles. Twenty years have passed since the arcade version was released, and this new version of the game features "New Entry Mode" and "Dramatic Change Mode" as well as "Arcade Mode”. In 2006, a "twisted castle" suddenly appeared in the sky above Tokyo. A variety of stories unfold around the god-hunting armaments housed in this gigantic castle.